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					Originally Posted by mizzwanned  really? i thought it meant they have the exact same DNA | 
 
  
It would have the same DNA, but have you ever heard of nature versus nurture?  This is an argument scientists have on what's the most important determining facture in how something fully develops.  "Nature" uses the argument that we are wired in a certain way and this determines how we act.  "Nurture" agues that our experiences mold us in to what we eventually become.  Most scientist think it's a little of both.  DNA would be Nature, and the experiences the dog has would be Nurture.  You could take two exact dogs and put them into two different environments and we could be pretty sure that their "personalities" would be different.